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lianna [129]
3 years ago
9

Can anyone explain to me the "all or nothing law" of action potentials? I'm in a college physiology class, and I do not understa

nd this concept.
Biology
1 answer:
AysviL [449]3 years ago
8 0
The all or nothing law of action potentials mainly talks about how the axons in the neurons only fire when there is enough action potential to fire. If there is not enough action potential, then the neuron will not be able to send signals because the action potential does not fire because of the deficit.
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Answer:

DNA, ribosomes, plasma membrane and cytoplasm are the structures that are found in both.

Explanation:

Prokaryotes are the organisms that do not have a nucleus and other membrane-bound organelles and eukaryotes have a membrane-bound nucleus and another membrane-bound organelle.  

Apart from this there are some similarities between prokaryotic and eukaryotic cell like both have a highly selective cell membrane, they both have cytoplasm, both have DNA and ribosomes which is responsible for the expression of genes. Therefore DNA, ribosomes, plasma membrane, and cytoplasm are the structures that are common in both prokaryotes and eukaryotes.

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Why have plants evolved ways to prevent self-fertilization? Why do you cross-fertilization (plant to plant) more beneficial to t
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2 years ago
Yeast cells, plant cells, and mammal cells all share many similarities in cell signaling. This provides evidence that:________
alina1380 [7]

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D

Explanation:

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2 years ago
True or false: The parachute on a dandelion seed makes it easily transported by animals.
Marat540 [252]

Answer:

False

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The parachute on a dandelion makes it easily transportable by AIR.

The parachute helps in creating air resistance, and helps the dandelion to glide through the air. The presence of the parachute also plays an important role in the dispersion of its seeds.

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The EMG is a recording of: The action potential of the motor nerves supplying the muscle fibers. The contraction forces of the i
Lelechka [254]

Answer:

The correct answer is option B.  The contraction forces of the innervated muscle fibers.

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EMG uses the myoelectric signals to analyze muscle that is generated during the contraction forces of the inverted muscle fibers of the skeletal muscle.

Thus, the correct answer is option B.  The contraction forces of the innervated muscle fibers.

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